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STUDY OF BENDING ANGLE RESIDUAL IONOSPHRIC ERROR IN REAL RO DATA
Liu, Congliang; Kirchengast, Gottfried; Sun, Yueqiang; Bai, Weihua; Du, Qifei; Wang, Xianyi; Meng, Xiangguang; Wang, Dongwei; Cai, Yuerong; Wu, Di; Wu, Chunjun; Li, Wei; Xia, Junming; Liu, Cheng; Liu, CL (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, Beijing Key Lab Space Environm Explorat, Beijing, Peoples R China.
Department空间环境部
Source Publication2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS)
2016
Pages4171-4174
Language英语
ISSN2153-6996
ISBN978-1-5090-3332-4
AbstractWith the development of global navigation satellite system (GNSS) remote sensing, radio occultation (RO) has become an important atmospheric observation technique that mainly be used for numerical weather prediction (NWP) and global climate monitoring (GCM). However, residual ionopheric error (RIE) can still be significant after an ionospheric error elimination by linear combination of dual-frequency RO bending angles. Lots of quantification and analysis of RO bending angle RIEs has been conducted by using quasirealistic end-to-end simulations. In this study, the RIEs in RO observations have been investigated by comparative analysis of COSMIC RO measurements and ECMWF model data. The results illustrate that the RIE is a major source of the bending angle in lower mesosphere and upper stratosphere, and its bias has a clear negative tendency that in line with our empirical studies based on simulation RO data. This study helps to inform future RIE mitigation schemes for ensuring benchmark quality stratospheric RO data.
KeywordResidual Ionopheric Error (Rie) Bending Angle Gnss Ro
Conference Name36th IEEE International Geoscience and Remote Sensing Symposium (IGARSS)
Conference DateJUL 10-15, 2016
Conference PlaceBeijing, PEOPLES R CHINA
Indexed ByEI ; CPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/5798
Collection空间环境部
Corresponding AuthorLiu, CL (reprint author), Chinese Acad Sci, Natl Space Sci Ctr, Beijing Key Lab Space Environm Explorat, Beijing, Peoples R China.
Recommended Citation
GB/T 7714
Liu, Congliang,Kirchengast, Gottfried,Sun, Yueqiang,et al. STUDY OF BENDING ANGLE RESIDUAL IONOSPHRIC ERROR IN REAL RO DATA[C],2016:4171-4174.
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